main()
{
    int a, b, c, d, e;
    for ( a=0;a<=1;a++)
      for ( b=0;b<=1;b++)
        for ( c=0;c<=1;c++)
          for ( d=0;d<=1;d++)
            for ( e=0;e<=1;e++)
              if ((a&&b+c+d+e==3 || !a&&b+c+d+e!=3)
                 && (b&&a+c+d+e==0 || !b&&a+c+d+e!=0)
                 && (c&&a+b+d+e==1 || !c&&a+b+d+e!=1)
                 && (d&&a+b+c+e==4 || !d&&a+b+c+e!=4))
              {
                printf("A ispasted a piece of %s paper on his forehead.\n",a ? "white":"black");
                printf("B ispasted a piece of %s paper on his forehead.\n",b ? "white":"black");
                printf("C ispasted a piece of %s paper on his forehead.\n",c ? "white":"black");
                printf("D ispasted a piece of %s paper on his forehead.\n",d ? "white":"black");
                printf("E ispasted a piece of %s paper on his forehead.\n",e ? "white":"black");
              }
              

}